Includes six scrapbooks of clippings, telegrams, and correspondence on his career at the Waldorf-Astoria, ca. 1897-1950; one scrapbook of forms used at the hotel; two published booklets on staff functions; photographs of Oscar and his wife Sophie Bertisch Tschirky; and an etching and a sketch of the Waldorf-Astoria. Also scrapbooks, a guest book, a scrapbook of congratulatory letters from many famous personalities, and a tribute book given to the Tschirkys on their golden wedding anniversity, 1937.